CN211358338U - Novel desulfurization heat energy waste heat utilization mode - Google Patents

Abstract

The utility model discloses a novel desulfurization heat energy waste heat utilization mode, solve the direct exhaust polluted atmosphere of flue gas among the prior art, destroy the environment, the extravagant problem of high temperature flue gas heat energy, the high temperature waste heat that can effectively utilize the flue gas heats water, fuel saving resources, energy-concerving and environment-protective, and can purify the flue gas effectively, many times remove dust desulfurization and denitration, pass through the activated carbon layer again, the silk screen defroster, big nanometer sponge layer purifies the back, directly arrange into the atmosphere, the environmental protection is pollution-free, the waste liquid after the flue gas is handled becomes building material or fertilizer through the lye pond, the utilization ratio of resource is greatly improved.

Description

Novel desulfurization heat energy waste heat utilization mode

Technical Field

The utility model relates to a flue gas treatment field specifically is a novel desulfurization heat energy waste heat utilization mode.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy. The boiler is a water container heated on fire, a furnace is a place where fuel is combusted, and the boiler comprises a boiler and a furnace. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator. The boiler for providing hot water is called a hot water boiler and is mainly used for life, the boiler is simultaneously carried out on a boiler and a furnace, and after water enters the boiler, the boiler heating surface in a steam-water system transfers absorbed heat to the water, so that the water is heated into hot water with certain temperature and pressure or generated steam, and the hot water or the generated steam is led out for application. In the combustion equipment part, fuel is combusted to continuously release heat, high-temperature flue gas generated by combustion transfers the heat to a boiler heating surface through heat propagation, the temperature of the high-temperature flue gas is gradually reduced, and the high-temperature flue gas is finally discharged from a chimney.

Flue gas is a mixture of gas and smoke dust and is the main cause of atmospheric pollution in residential areas. The components of the flue gas are complex, the gas comprises water vapor, sulfur dioxide, nitrogen, oxygen, carbon monoxide, carbon dioxide, hydrocarbons, nitrogen oxides and the like, and the smoke comprises ash, coal particles, oil drops, high-temperature cracking products and the like of the fuel, so that the environment is seriously polluted and the human health is influenced. Industrial fumes emitted by various production enterprises are an important source of atmospheric pollutants. If a large amount of industrial flue gas is discharged into the atmosphere after reaching the standard without being treated, the quality of the atmospheric environment is inevitably reduced, serious harm is brought to the human health, and huge loss is caused to national economy. After toxic and harmful substances in industrial smoke enter a human body through respiratory tract and skin, the long-term low-concentration or short-term high-concentration contact can cause temporary and permanent pathological changes of systems and organs such as breath, blood, liver and the like of the human body, and particularly benzopyrene polycyclic aromatic hydrocarbons can directly cause carcinogenesis of the human body to draw high attention to human beings. Industrial fumes include organic and inorganic waste gases. The organic waste gas mainly comprises various hydrocarbons, alcohols, aldehydes, acids, ketones, amines and the like; the inorganic exhaust gas mainly includes sulfur oxides, nitrogen oxides, carbon oxides, halogens and compounds thereof, and the like.

At present, most of the smoke generated by domestic boilers is directly discharged into the atmosphere without being treated, which can not reach the national boiler waste gas discharge standard, seriously pollutes the atmospheric environment, and directly discharges the smoke, thereby not only causing great energy waste, but also causes damage to the harmony of the environment, and in order to solve the problem, the nation expends huge capital to introduce various flue gas treatment technologies or flue gas treatment devices from the developed countries in the west, but the investment cost of the device is too high, the existing boiler flue gas treatment devices are many, but the efficiency or the treatment of the boiler flue gas has most problems, only part of substances in the flue gas can be treated, and the flue gas can not be effectively subjected to desulfurization, denitrification and dust removal, and the heat energy in the flue gas is wasted, so the flue gas treatment problem is still a problem to be solved.

The patent of the grant publication No. CN 207287121U discloses a multi-stage spray desulfurization, denitration and dust removal integrated device for flue gas, which comprises a desulfurization tower, wherein the bottom of the desulfurization tower is provided with an air inlet pipe, the downstream of the desulfurization tower is sequentially provided with an oxidation tower and an absorption tower, vent pipes are respectively arranged between the desulfurization tower and the oxidation tower and between the oxidation tower and the absorption tower, the desulfurization tower is provided with a desulfurization liquid spray device, the oxidation tower is provided with an oxidation liquid spray device, the absorption tower is provided with a sodium-based absorption liquid spray device, the integrated device also comprises a mixing concentration tank, a sedimentation tank and a clear water tank which are sequentially arranged, the sedimentation tank is provided with a coagulant adding pipe and a coagulant aid adding pipe, the bottoms of the desulfurization tower, the oxidation tower and the absorption tower are respectively provided with a discharge pipe, the whole body adopts a transverse arrangement mode, the occupied area is large, the equipment is more, the cost is high, the sedimentation is slow, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an effectively utilize the high temperature waste heat of flue gas, fuel economy resource, the flue gas directly discharges the polluted atmosphere among the solution prior art, destroys the environment, and the extravagant problem of high temperature flue gas heat energy can effectively utilize the high temperature waste heat of flue gas to heat water, fuel economy resource to can purify the flue gas effectively, improve the utilization ratio of resource greatly.

The utility model adopts the technical proposal that: the utility model provides a novel desulfurization heat energy waste heat utilization mode, includes desulfurizing tower, draught fan, goes out tobacco pipe way, sedimentation tank, support, control button, the support setting in desulfurizing tower outside bottom, the sedimentation tank set up in the desulfurizing tower bottom, be located the support inboard, desulfurizing tower top pass through the draught fan and be connected with a tobacco pipe way, a tobacco pipe way bottom one end stretch into inside the desulfurizing tower, the desulfurizing tower include desulfurization solution tank, desulfurization spray tube, denitration solution tank, denitration spray tube, force (forcing) pump, nozzle, heat exchange tube, outlet pipe seat, water inlet pipe seat, annular water tank, activated carbon layer, silk screen demister, big nanometer sponge layer, top cap, alkali lye pond, baffle, agitating unit, defeated tobacco pipe, play tobacco pipe seat, mud pipe, slush pump heat exchange tube, activated carbon layer, silk screen demister, big nanometer sponge layer, top cap, alkali lye pond, The partition plate and the stirring device are arranged inside the desulfurizing tower, the top cover is arranged at the top of the desulfurizing tower and is detachably connected with the desulfurizing tower, the annular water tank is arranged outside the desulfurizing tower, the water outlet pipe seat is arranged at the left side of the top of the annular water tank, the water inlet pipe seat is arranged at the left side of the bottom of the annular water tank, the smoke outlet pipe seat is arranged at the top of the top cover, the large nano sponge layer is arranged below the top cover and is positioned at the top of the desulfurizing tower, the silk screen demister is arranged below the large nano sponge layer, the activated carbon layer is arranged below the silk screen demister, the activated carbon layer, the silk screen demister and the large nano sponge layer are respectively separated by the partition plate, the desulfurizing spray pipe is arranged below the activated carbon layer, one end of the desulfurizing spray pipe extending into the desulfurizing tower is provided with a plurality of nozzles, and the other end of the desulfurizing spray pipe extends out of the desulfurizing tower and is connected with the desulfurizing solution tank through, the desulfurization solution tank is arranged at the right upper part of the outer side of the desulfurization tower and is fixed with the desulfurization tower through a bolt assembly, a partition plate is arranged below the desulfurization spray pipe, a denitration spray pipe is arranged below the partition plate, one end of the denitration spray pipe, which extends into the desulfurization tower, is provided with a plurality of spray holes, the other end of the denitration spray pipe, which extends out of the desulfurization tower, is connected with the denitration solution tank through a pressure pump, the denitration solution tank is arranged at the left upper part of the outer side of the desulfurization tower, a heat exchange pipe is arranged below the denitration spray pipe, the heat exchange pipe is an arc-shaped heat exchange pipe, two ends of the heat exchange pipe are arranged on the inner wall of the desulfurization tower and are communicated with an annular water tank, the heat exchange pipes are multiple, the arc-shaped vertexes of the heat exchange pipes are inwards arranged along the inner wall of the desulfurization tower in an annular manner, the alkali liquor pool is, agitating unit set up inside the lye pond, agitating unit include stirring vane, axis of rotation, servo motor, stirring vane set up in the axis of rotation, the axis of rotation right side be provided with servo motor, pass through the coupling joint with servo motor, servo motor set up in desulfurizing tower outside right side below, play tobacco pipe way one end stretch into the lye pond, one end is stretched out the desulfurizing tower outside and is connected with the draught fan, lye pond bottom be provided with the mud pipe, the bottom intercommunication of mud pipe and desulfurizing tower, the junction of mud pipe and desulfurizing tower be provided with the slush pump, the slush pump be located the inside in lye pond.

Furthermore, the activated carbon layer, the silk screen demister and the large nanometer sponge layer are movably connected with the inner wall of the desulfurizing tower and can be detached.

Furthermore, the control button is arranged on the left side of the outer wall of the desulfurization tower, the input end of the control button is electrically connected with the output end of an external power supply, and the input ends of the pressure pump, the draught fan, the silk screen demister and the slurry pump are respectively electrically connected with the output end of the control button; the pressure pumps are respectively arranged on the inner sides of the desulfurization solution tank and the denitration solution tank.

Advantageous effects

The utility model provides a novel desulfurization heat energy waste heat utilization mode, which comprises a desulfurization tower, an induced draft fan, a smoke outlet pipeline, a sedimentation tank, a support and a control button, wherein the support is arranged at the bottom of the outer side of the desulfurization tower, the sedimentation tank is arranged at the bottom of the desulfurization tower and is positioned at the inner side of the support, the top of the desulfurization tower is connected with the smoke outlet pipeline through the induced draft fan, one end of the bottom of the smoke outlet pipeline extends into the desulfurization tower, the desulfurization tower comprises a desulfurization solution tank, a desulfurization spray pipe, a denitrification solution tank, a denitrification spray pipe, a pressure pump, a nozzle, a heat exchange pipe, a water outlet pipe seat, a water inlet pipe seat, an annular water tank, an active carbon layer, a silk screen demister, a large nano sponge layer, a top cover, an alkali liquor pool, a clapboard, a stirring device, a smoke output pipe, a smoke outlet pipe seat, a mud discharge pipe and a mud pump, and solves the, the waste of high-temperature flue gas heat energy can be realized, the high-temperature waste heat of the flue gas can be effectively utilized to heat water, the fuel resource is saved, the energy is saved, the environment is protected, the flue gas can be effectively purified, the dust is removed, the desulfurization and the denitrification are carried out for multiple times, and after the flue gas is purified by the activated carbon layer, the silk screen demister and the large nanometer sponge layer, the flue gas is purified for multiple times, a large amount of impurities in the flue gas are removed and directly discharged into the atmosphere, the environment is protected, no pollution is caused, the; the waste liquid after the flue gas treatment is changed into building materials or fertilizers through the alkali liquor pool, so that the utilization rate of resources is greatly improved.

To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the non-connected smoke outlet pipe of the present invention;

fig. 3 is a schematic diagram of the distribution structure of the heat exchange tubes of the present invention.

Reference numerals

1. Desulfurizing tower, 2, draught fan, 3, play tobacco pipe way, 4, sedimentation tank, 5, a support, 6, mud pipe, 7, desulfurization solution case, 8, desulfurization spray tube, 9, denitration solution case, 10, denitration spray tube, 11, force (forcing) pump, 12, nozzle, 13, heat exchange tube, 14, play water pipe seat, 15, the water inlet pipe seat, 16, annular water tank, 17, activated carbon layer, 18, silk screen defroster, 19, big nanometer sponge layer, 20, top cap, 21, alkali lye pond, 22, baffle, 23, defeated tobacco pipe, 24, play tobacco pipe seat, 25, stirring vane, 26, axis of rotation, 27, servo motor, 28, the slush pump.

Detailed Description

Example 1

As shown in fig. 1, 2 and 3, a novel desulfurization heat energy waste heat utilization mode comprises a desulfurization tower 1, an induced draft fan 2, a smoke outlet pipeline 3, a sedimentation tank 4, a support 5 and a control button, wherein the support 5 is arranged at the bottom of the outer side of the desulfurization tower 1, the sedimentation tank 4 is arranged at the bottom of the desulfurization tower 1 and is positioned at the inner side of the support 5, the top of the desulfurization tower 1 is connected with the smoke outlet pipeline 3 through the induced draft fan 2, one end of the bottom of the smoke outlet pipeline 3 extends into the desulfurization tower 1, the desulfurization tower 1 comprises a desulfurization solution tank 7, a desulfurization spray pipe 8, a denitration solution tank 9, a denitration spray pipe 10, a pressure pump 11, a nozzle 12, a heat exchange pipe 13, a water outlet pipe seat 14, a water inlet pipe seat 15, an annular water tank 16, an activated carbon layer 17, a silk screen demister 18, a large nano sponge layer 19, a top cover 20, an alkali solution tank 21, a partition plate 22, a stirring, Go out smoke pipe seat 24, mud pipe 6, slush pump 28, heat exchange tube 13, activated carbon layer 17, silk screen defroster 18, big nanometer sponge layer 19, top cap 20, lye pond 21, baffle 22, agitating unit all set up inside desulfurizing tower 1, top cap 20 set up at 1 tops of desulfurizing tower, dismantle with desulfurizing tower 1 and be connected, top cap 20 can open, makes things convenient for activated carbon layer 17, big nanometer sponge layer 19, silk screen defroster 18 to change the clearance. The annular water tank 16 is arranged on the outer side of the desulfurization tower 1, the water outlet pipe seat 14 is arranged on the left side of the top of the annular water tank 16, the water inlet pipe seat 15 is arranged on the left side of the bottom of the annular water tank 16, the water outlet pipe seat 14 and the water inlet pipe seat 15 are connected with a boiler, water circulation is realized through a circulating pump, the smoke outlet pipe seat 24 is arranged on the top of the top cover 20, the large nano sponge layer 19 is arranged below the top cover 20 and positioned on the top of the desulfurization tower 1, and the large nano sponge layer 19 absorbs flue gas-liquid mixture subjected to desulfurization and denitration through large nano sponge; the wire mesh demister 18 is arranged below the large nano sponge layer 19, and the wire mesh demister 18 is used for removing fog drops carried in gas and purifying the gas to reduce impurities in the gas. Activated carbon layer 17 set up in silk screen defroster 18 below, activated carbon layer 17 adsorbs the harmful substance in the flue gas with alkaline activated carbon, realizes that the flue gas removes dust, carries out SOx/NOx control simultaneously and handles, activated carbon layer 17, silk screen defroster 18, big nanometer sponge layer 19 between separate with baffle 22 respectively, realize decontaminating the flue gas after the dust removal of denitration, make and directly discharge into atmospheric flue gas pollution-free. The desulfurization spray pipe 8 is arranged below the activated carbon layer 17, one end of the desulfurization spray pipe 8, which extends into the desulfurization tower 1, is provided with a plurality of nozzles 12, the other end of the desulfurization spray pipe extends out of the desulfurization tower 1 and is connected with a desulfurization solution tank 7 through a pressure pump 11, the desulfurization solution tank 7 is arranged at the upper right of the outer side of the desulfurization tower 1 and is fixed with the desulfurization tower 1 through a bolt assembly, the pressure pump 11 is started to spray desulfurization solution in the desulfurization solution tank 7 out of the nozzles 12 along the desulfurization spray pipe 8, desulfurization treatment is carried out on the flue gas, comprehensive desulfurization is realized by the plurality of nozzles 12, a partition plate 22 is arranged below the desulfurization spray pipe 8, and a plurality of ventilation holes are formed in the partition plate 22, so that the flue gas is discharged, and the denitration solution and the desulfurization solution are blocked; a denitration spray pipe 10 is arranged below the partition plate 22, one end of the denitration spray pipe 10, which extends into the desulfurization tower 1, is provided with a plurality of spray holes, the other end of the denitration spray pipe extends out of the desulfurization tower 1 and is connected with a denitration solution tank 9 through a pressure pump 11, the denitration solution tank 9 is arranged at the upper left outside of the desulfurization tower 1 and is fixed with the desulfurization tower 1 through a bolt component, the pressure pump 11 is started to spray denitration solution in the denitration solution tank 9 from the spray holes along the denitration spray pipe 10, the spray holes are arranged around the denitration spray pipe 10, so that the denitration solution is sprayed all around to carry out comprehensive denitration treatment on flue gas and realize comprehensive denitration, a heat exchange pipe 13 is arranged below the denitration spray pipe 10, the heat exchange pipe 13 is an arc-shaped heat exchange pipe, two ends of the heat exchange pipe 13 are arranged on the inner wall of the desulfurization tower 1 and communicated with an annular water tank 16, the heat exchange pipe 13 is a plurality of heat, the water in the heat exchange tube 13 is communicated with the water in the annular water tank 16, and the water in the heat exchange tube 13 is heated by the waste heat of the flue gas, so that the waste heat of the flue gas is utilized, and the energy conservation and the environmental protection are realized. The alkali liquor pool 21 is arranged below the heat exchange tube 13 and is positioned at the bottom of the desulfurizing tower 1, waste liquid and dust particles generated after reaction of the denitration solution, the desulfurization solution and the flue gas enter the alkali liquor pool 21 and are fully mixed with the weak alkali solution in the alkali liquor pool 21, so that the waste liquid and the dust particles are precipitated, the precipitate is salt, the precipitated salt can be used as building materials and fertilizers, and the utilization rate of resources is greatly improved. Defeated tobacco pipe 23 set up in 1 left side of desulfurizing tower, be located between lye pond 21 and heat exchange tube 13, agitating unit set up inside lye pond 21, agitating unit include stirring vane 25, axis of rotation 26, servo motor 27, stirring vane 25 set up on axis of rotation 26, 26 right sides of axis of rotation be provided with servo motor 27, pass through the coupling joint with servo motor 27, servo motor 27 set up in 1 outside right side below of desulfurizing tower, servo motor 27 drives stirring vane 25 with waste liquid and weak alkaline solution intensive mixing to make it deposit, improved the speed of sediment greatly through the stirring, thereby improved work efficiency. One end of the smoke outlet pipeline 3 extends into the alkali liquor pool 21, the other end of the smoke outlet pipeline extends out of the outer side of the desulfurizing tower 1 and is connected with the induced draft fan 2, the smoke outlet pipe seat 24 is connected with the smoke outlet pipeline 3, and purified smoke can enter the alkali liquor pool 21 from the smoke outlet pipeline 3 and is not directly discharged into the atmosphere; the bottom of the alkali liquor pool 21 is provided with a sludge discharge pipe 6, the sludge discharge pipe 6 is communicated with the bottom of the desulfurizing tower 1, the joint of the sludge discharge pipe 6 and the desulfurizing tower 1 is provided with a sludge pump 28, and the sludge pump 28 is positioned inside the alkali liquor pool 21. The mud pump 28 is started to work, and the mud pump 28 discharges the precipitated salt into the sedimentation tank 4 through the mud discharge pipe.

Example 2

As shown in fig. 1 and fig. 2, the activated carbon layer 17, the wire mesh demister 18 and the large nano sponge layer 19 are movably connected with the inner wall of the desulfurizing tower 1, and can be detached, and thus are convenient to clean and replace.

Example 3

As shown in fig. 1 and 2, the control button is arranged on the left side of the outer wall of the desulfurization tower 1, the input end of the control button is electrically connected with the output end of an external power supply, the input ends of the pressure pump 11, the induced draft fan 2, the wire mesh demister 18 and the mud pump 28 are respectively electrically connected with the output end of the control button, and the pressure pump 11 is respectively arranged on the inner sides of the desulfurization solution tank 7 and the denitration solution tank 9. The control button is used for starting the pressure pump 11, the induced draft fan 2, the silk screen demister 18 and the mud pump 28.

Example 4

As shown in fig. 2, the smoke outlet pipe seat 24 and the smoke outlet pipe 3 may not be connected, and the purified smoke may be directly discharged into the atmosphere.

The working principle is as follows:

as shown in fig. 1, 2 and 3, when the smoke outlet pipe 3 is not connected to the smoke outlet pipe seat 24, the smoke outlet pipe seat 14 and the water inlet pipe seat 15 are connected to the boiler, the heat exchange pipe 13 and the water in the annular water tank 16 are communicated with the water in the boiler, the water enters the annular water tank 16 and the heat exchange pipe 13 from the water inlet pipe seat 15, the water flows out of the water outlet pipe seat 14, the water circulation is realized through the circulating pump, the smoke enters the desulfurizing tower 1 from the smoke conveying pipe 23, the high-temperature waste heat of the smoke can heat the water in the heat exchange pipe 13, the waste heat is utilized once, the smoke is cooled simultaneously, the heat exchange area is increased by the plurality of arc-shaped heat exchange pipes 13, the heat exchange efficiency is improved, after the smoke enters the desulfurizing tower 1, the pressure pump 11 is started, the denitration solution is sprayed out, the primary denitration and dust removal treatment is performed on the smoke, the desulfurization solution is sprayed out, the primary, The heat of denitration solution and flue gas reaction carries out heat exchange to water through annular water tank 16, waste heat reutilization, flue gas carries out the secondary desulfurization dust removal through the alkaline active carbon in active carbon layer 17, carry out defogging processing to the flue gas through silk screen defroster 18, it absorbs to go into the flue gas moisture through big nanometer sponge layer 19, make the flue gas after purifying many times directly discharge into the atmosphere, environmental protection is pollution-free, finally get into the wastewater disposal basin through going out tobacco pipe 3, solve among the prior art flue gas discharge polluted atmosphere, the problem of destruction environment, can effectively utilize the high temperature waste heat of flue gas to heat water, save fuel resources, energy saving and environmental protection, and can purify the flue gas effectively, many times remove dust, desulfurate and denitration, the flue gas becomes waste water discharge, do not get into the atmosphere, the environment is protected. Flue gas granule is because desulfurization solution, in the spraying of denitration solution flows into lye tank 21, realize the flue gas and remove dust, the waste liquid that flows into lye tank 21 and the weak lye solution intensive mixing in the lye tank 21, start servo motor 27, stirring vane 25 makes the solution intensive mixing, thereby make its deposit, the precipitate is the salt, start the slush pump, discharge the deposit salt to sedimentation tank 4 along the mud pipe in, the deposit salt can regard as building material and fertilizer to use, the utilization ratio of resource has been improved greatly.

When the smoke outlet pipeline 3 is connected with the smoke outlet pipe seat 24, the purified smoke is sent into the alkali liquor pool 21 under the action of the draught fan 2, is not discharged into the atmosphere, directly forms precipitate, can be used as building materials and fertilizers, and greatly improves the utilization rate of resources.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (3)

1. The utility model provides a novel desulfurization heat energy waste heat utilization mode, includes desulfurizing tower, draught fan, play tobacco pipe way, sedimentation tank, support, control button, the support setting in desulfurizing tower outside bottom, the sedimentation tank set up in the desulfurizing tower bottom, be located the support inboard, the desulfurizing tower top pass through the draught fan and go out the tobacco pipe way and be connected, play tobacco pipe say inside bottom one end stretches into the desulfurizing tower, its characterized in that: the desulfurization tower comprises a desulfurization solution tank, a desulfurization spray pipe, a denitrification solution tank, a denitrification spray pipe, a pressure pump, a nozzle, a heat exchange pipe, a water outlet pipe seat, a water inlet pipe seat, an annular water tank, an activated carbon layer, a silk screen demister, a large nano sponge layer, a top cover, an alkali liquor pool, a partition plate, a stirring device, a smoke conveying pipe, a smoke outlet pipe seat, a mud discharge pipe and a mud pump, wherein the heat exchange pipe, the activated carbon layer, the silk screen demister, the large nano sponge layer, the top cover, the alkali liquor pool, the partition plate and the stirring device are all arranged inside the desulfurization tower, the top cover is arranged at the top of the desulfurization tower and is detachably connected with the desulfurization tower, the annular water tank is arranged outside the desulfurization tower, the water outlet pipe seat is arranged at the left side of the top of the annular water tank, the water inlet pipe seat is arranged at the left side of the bottom of the annular water tank, the smoke outlet pipe seat is arranged at, the denitration device is positioned at the top of the desulfurization tower, the silk screen demister is arranged below the large nano sponge layer, the activated carbon layer is arranged below the silk screen demister, the activated carbon layer, the silk screen demister and the large nano sponge layer are respectively separated by a partition plate, the desulfurization spray pipe is arranged below the activated carbon layer, one end of the desulfurization spray pipe, which extends into the desulfurization tower, is provided with a plurality of nozzles, the other end of the desulfurization spray pipe, which extends out of the desulfurization tower, is connected with a desulfurization solution tank through a pressure pump, the desulfurization solution tank is arranged at the upper right of the outer side of the desulfurization tower and is fixed with the desulfurization tower through a bolt assembly, the partition plate is arranged below the desulfurization spray pipe, the denitration spray pipe is arranged below the partition plate, one end of the denitration spray pipe, which extends into the desulfurization tower, is provided with a plurality of spray holes, the other end of the denitration spray pipe, which extends out of the desulfurization tower, is connected with the, the denitration spray tube below be provided with the heat exchange tube, the heat exchange tube be the arc heat exchange tube, the heat exchange tube both ends set up on the desulfurizing tower inner wall, with annular water tank UNICOM, the heat exchange tube be a plurality ofly, the heat exchange tube arc summit inwards sets up along the desulfurizing tower inner wall annular, alkali lye pond set up in the heat exchange tube below, be located the desulfurizing tower bottom, defeated tobacco pipe set up in the desulfurizing tower left side, be located between alkali lye pond and the heat exchange tube, agitating unit set up inside the alkali lye pond, agitating unit include stirring vane, axis of rotation, servo motor, stirring vane set up in the axis of rotation, the axis of rotation right side be provided with servo motor, pass through the coupling joint with servo motor, servo motor set up in desulfurizing tower outside right side below, play tobacco pipe way one end stretch into alkali lye pond, one end stretches out the desulfurizing tower outside and is connected with the draught fan, the bottom of the alkali liquor pool is provided with a sludge discharge pipe, the sludge discharge pipe is communicated with the bottom of the desulfurizing tower, a sludge pump is arranged at the joint of the sludge discharge pipe and the desulfurizing tower, and the sludge pump is positioned inside the alkali liquor pool.

2. The novel desulfurization heat energy waste heat utilization mode is characterized in that: the activated carbon layer, the silk screen demister and the large nano sponge layer are movably connected with the inner wall of the desulfurizing tower and can be detached.

3. The novel desulfurization heat energy waste heat utilization mode is characterized in that: the control button is arranged on the left side of the outer wall of the desulfurizing tower, the input end of the control button is electrically connected with the output end of an external power supply, and the input ends of the pressure pump, the draught fan, the silk screen demister and the slurry pump are respectively electrically connected with the output end of the control button; the pressure pumps are respectively arranged on the inner sides of the desulfurization solution tank and the denitration solution tank.

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